Filière de moulage par extrusion, appareil de moulage par extrusion, tuyau médical et procédé de production du tuyau médical

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专利权人:

Tyco Healthcare Group LP

发明人:

申请号：

EP12152102.5

公开号：

EP2481552A1

申请日:

2012.01.23

申请国别(地区):

EP

年份:

2012

代理人:

摘要：

An extrusion molding die (50) is provided which produces a tube that contains a portion in which the cross-sectional area ratio of an inner layer and outer layer in axial cross-section continuously varies, wherein said cross-sectional area ratio can be changed in a short time. The extrusion molding die (50) moves a second inner layer mandrel (54) in the axial direction and changes the flow passage volume of an inner layer resin flow passage (62a) in accordance with changes in supply quantity of an inner layer forming resin.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/